#listForm{
	margin-bottom: 100px;
}
#bookList{
	position: relative;
	left: 5%;
	top: 50px;
	border-bottom: 1px #bbb solid;
	border-right: 1px #bbb solid;
}

#bookList th{
	width: 100px;
}

#bookList td,#bookList th{
	border: 1px #bbb solid;
	border-bottom: none;
	border-right: none;
}

.tuidingBtn:hover{
	color: blue;
	cursor: pointer;
	font-weight: bolder;
}